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Python concatenate text files
...if they were a single file is very handy. (Also, the fact that fileinput closes each file as soon as it's done means there's no need to with or close each one, but that's just a one-line savings, not that big of a deal.)
There are some other nifty features in fileinput, like the ability to do in-pl...
Visibility of global variables in imported modules
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Globals in Python are global to a module, not across all modules. (Many people are confused by this, because in, say, C, a global is the same across all implementation files unless you explicitly make it static.)
There are different ways to solve this, depending on your ac...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...：封装了Windows图形设备接口(GDI)中的画笔对象
CPoint类：操作CPoint和POINT结构
CRect类：封装了一个矩形区域及相关操作
CRgn类：封装用于操作窗口中的椭圆、多边形或者不规则区域的GDI区域
CSize类：用于表示相对坐标或位置
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'^M' character at end of lines
...the SQL script as it is echoed to the command-line. I don't know on which OS the SQL script was originally created.
16 Ans...
How do I check CPU and Memory Usage in Java?
... @ComputerScientist Because free is actually what is free (post GC) it doesn't show objects waiting for GC. To get MUCH more accurate, run 2 garbage collections before this answer. If you try it with and without GC you will find the post-GC values very consistent but the preGC will ...
Why is printing to stdout so slow? Can it be sped up?
... logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，变成自己的类，像是toolbar这样的类就可以进行这样的操作。
在自己写框架的时候，我们肯定会用到反射，很简单的例子就是事件总线和注解框架，翔哥就说过一句话：无反射，无框架。也正因为是自己写的框架，所以通过反...
How to read a single character from the user?
...now there's a function in Windows for it, but I'd like something that is cross-platform.
23 Answers
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Understanding Apache's access log
...>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request...
Rails 3 - can't install pg gem
...ur pg-config can be in different locations depending on how you installed postgres.
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